18172 (2000 QL7)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5110299298 ± 6.25e-09
Semi-major axis (a)2.4257654377 AU ± 9.50e-10
Inclination (i)17.82779980° ± 1.30e-06
Long. of Asc. Node (Ω)338.42358622° ± 3.04e-06
Arg. of Perihelion (ω)100.76252583° ± 4.20e-06
Mean Anomaly (M)206.68326087° ± 8.97e-07
Mean Motion (n)0.2608789695°/day ± 1.53e-10
Perihelion dist (q)1.18612670 AU ± 1.52e-08
Aphelion dist (Q)3.66540418 AU ± 1.52e-08
Orbital Period3.77809789 yr ± 2.22e-09
Physical Parameters
H (abs. magnitude)15.69
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.341″
Uncertainty0
Orbit TypeAmor
MOID0.365243 AU
Observations Used4239
Gaia Obs Used36
Oppositions29
Arc Total1977-2024
First Observation Used1977-07-21
Last Observation Used2024-05-09
Observations (6767)
Date Type RA Dec Mag Band Observatory
2000-10-18 18:01:29 C 22 21 52.36 +13 26 30.3 610
2000-10-18 18:06:29 C 22 21 52.10 +13 26 32.3 610
2000-10-18 18:11:30 C 22 21 51.84 +13 26 34.3 610
2000-10-18 18:16:30 C 22 21 51.58 +13 26 36.3 610
2000-10-20 01:37:07 C 22 20 20.21 +13 39 01.0 z 294
2000-10-20 02:08:40 C 22 20 18.94 +13 39 13.9 z 294
2000-10-21 03:05:05 C 22 19 10.94 +13 49 05.4 z 294
2000-10-21 04:07:06 C 22 19 08.37 +13 49 32.2 17.2 c 704
2000-10-21 04:14:21 C 22 19 07.81 +13 49 29.8 z 294
2000-10-21 04:26:33 C 22 19 07.43 +13 49 39.6 16.7 c 704
2000-10-21 04:46:10 C 22 19 06.50 +13 49 47.0 16.5 c 704
2000-10-22 02:33:12 C 22 18 11.10 +13 58 20.6 642
2000-10-22 02:47:24 C 22 18 10.41 +13 58 29.2 642
2000-10-23 00:34:56 C 22 17 17.47 +14 07 03.9 c 746
2000-10-23 00:44:48 C 22 17 17.16 +14 07 06.5 c 746
2000-10-23 01:27:33 C 22 17 15.24 +14 07 25.2 17.5 d 923
2000-10-23 02:21:26 C 22 17 12.97 +14 07 46.3 17.0 d 923
2000-10-23 03:14:50 C 22 17 10.62 +14 08 08.4 19.2 d 923
2000-10-23 19:01:02 C 22 16 35.02 +14 14 19.9 151
2000-10-23 19:03:44 C 22 16 34.92 +14 14 20.6 151
2000-10-23 19:06:29 C 22 16 34.79 +14 14 22.1 151
2000-10-23 19:10:24 C 22 16 34.67 +14 14 23.5 151
2000-10-23 19:12:31 C 22 16 34.58 +14 14 24.3 151
2000-10-23 19:16:28 C 22 16 34.42 +14 14 25.9 151
2000-10-23 19:33:30 C 22 16 33.70 +14 14 31.9 c 113
2000-10-23 19:36:12 C 22 16 33.59 +14 14 33.0 c 113
2000-10-23 19:38:52 C 22 16 33.49 +14 14 33.9 c 113
2000-10-23 19:41:32 C 22 16 33.39 +14 14 35.2 c 113
2000-10-23 19:44:12 C 22 16 33.28 +14 14 36.1 c 113
2000-10-24 19:15:54 C 22 15 42.36 +14 23 56.5 071
2000-10-24 19:22:18 C 22 15 42.09 +14 23 59.1 071
2000-10-24 19:27:19 C 22 15 41.90 +14 24 01.1 071
2000-10-25 01:46:43 C 22 15 29.34 +14 26 33.0 16.8 c 704
2000-10-25 02:06:32 C 22 15 28.62 +14 26 40.8 16.8 c 704
2000-10-25 02:47:43 C 22 15 27.05 +14 26 56.8 17.8 c 704
2000-10-25 03:07:29 C 22 15 26.33 +14 27 04.9 17.5 c 704
2000-10-26 19:32:32 C 22 14 09.27 +14 43 07.0 071
2000-10-26 19:38:39 C 22 14 09.07 +14 43 09.7 071
2000-10-26 19:48:53 C 22 14 08.71 +14 43 13.6 071
2000-10-27 19:00:06 C 22 13 29.92 +14 52 25.1 d 049
2000-10-27 19:18:38 C 22 13 29.38 +14 52 32.4 d 049
2000-10-27 19:39:27 C 22 13 28.78 +14 52 40.9 d 049
2000-11-01 03:20:35 C 22 11 17.61 +15 34 56.0 16.8 c 704
2000-11-01 03:40:07 C 22 11 17.27 +15 35 04.0 17.1 c 704
2000-11-01 03:59:40 C 22 11 16.92 +15 35 11.7 17.3 c 704
2000-11-01 04:19:11 C 22 11 16.57 +15 35 20.0 17.2 c 704
2000-11-01 04:38:52 C 22 11 16.22 +15 35 28.0 17.3 c 704
2000-11-01 19:38:42 C 22 11 03.46 +15 41 38.3 118
2000-11-01 19:50:30 C 22 11 03.28 +15 41 43.2 118
2000-11-24 00:26:49 C 22 18 52.88 +19 55 05.1 i 739